Arduino is an open source platform widely used by professional engineers and hobbyists to create interactive electronics projects. An Arduino Engineer is a skilled and experienced individual who can custom-build integrated hardware designs tailored to individual client projects. They are knowledgeable in designing, constructing, and testing cutting-edge hardware projects.

An Arduino engineer can create any kind of electronic circuit design. They are able to develop prototypes for a test version, incorporate vital components such as integrated circuits and relays, code the project with both C and C++ programming languages, as well as generate HTML and Java-based user interfaces. Furthermore, they can assist clients with the setup or installation of hardware or embedded systems.

Here's some projects that our expert Arduino Engineer made real:

  • Complex software and hardware integrated designs that integrate various peripherals such as LCD, Serial peripheral and SD cards as well as WIFI modules
  • Creative program solutions for industrial machinery such as a stepper motor
  • Smart solutions for machine learning programming tasks such as optimizing playing tactics for a game
  • Designing PCBs to support multiple Arduinos and connecting them through Tx Rx modules
  • Experienced sound processing tasks combined with signal processing tools like Fast Fourier Transform
  • Making concept ideas into reality through advanced programming techniques

The possibilities of what an Arduino Engineer can accomplish are vast. Our select group of engineers have propelled our clients projects into fruition through numerous successful projects. From designing a counter designed for social media followers, to constructing a PCB for advanced Arduino Nanos control systems - our engineers have done it all. And now Freelancer.com invites you to join our international community of experts, who can help bring your own project ideas to life! Post your project now and hire a freelance Arduino engineer on Freelancer today!

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    I'm seeking an experienced freelancer, well versed in Arduino programming, to create code for a Board game setup. Although the specific tasks were not initially laid out, the application will be used in-game environments for registering live outputs and giving a score to then be displayed on a board the development has already looked at ATMega328 the programming would be taking 20 inputs of different values from 1 to 3, initially was thinking of using hall sensors due to voltage difference and be able to show a score of all inputs on the display!. Ideal skills and experience: - Extensive experience with Arduino programming to manipulate motors, read sensor data and display relevant information. - Proven knowledge in integrating Arduino systems with game infrastructures. - Relevant ...

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    Project Overview: We are seeking a skilled IoT Data Engineer to lead the development and implementation of a robust data transfer system from a Wemos D1 mini device to Firebase. The project involves the creation of NoSQL tables and their integration with a relational database system (MySQL), ensuring seamless data flow and storage. The ideal candidate will have a strong background in IoT devices, database management, and comprehensive error handling. Key Responsibilities: Design and implement an efficient data transfer protocol from Wemos D1 mini to Firebase, ensuring data integrity and security. Develop and manage NoSQL databases in Firebase and integrate them with MySQL relational tables, ensuring seamless data synchronization and storage. Design a comprehensive error handling system to...

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    For my project, I'm looking for a skilled Android app developer who can build an app which can be integrated with an Arduino board for audio output purposes. Below are more specific details about the project: - The app is to interact with Arduino in a way that it will produce an audio output generated in Arduino using a colour sensor. - Understand how mux/demux, op-amp, and analog to digital converters work in the context of an Arduino board. Skillset: - Foundational understanding of Arduino is a must. - Familiarity with Interface Android with Arduino would be preferable. Please bid if you have the set of skills and experience necessary for this project and are interested and dedicated to working on it.

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    I need a voltage measurement of 4, 16, 16, voltages, in the range of 2.5V -4V, for a battery management system. The following cell voltages must be measured, compared and visualized

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    I urgently need an expert in embedded systems, specifically with a deep understanding of memory management and optimization. Mastering the Arduino platform is a must. The scope of work doesn't include any specific project, but revolves around technical questions requiring quick, accurate answers. Ideal freelancers would be those with significant experience in Arduino-based embedded systems and an ability to provide immediate responses to queries.

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    I need a proficient firmware developer skilled in Nordic SDK and Zephyr for an IoT device that includes battery management functionality. Key requirements include: - Developing firmware for an IoT device. - Integrating battery charging and level monitoring capabilities. - Establishing BLE location for the activation of a sound feature. - Implementing LDR light detection. - Implementing hourly battery level checkups. Ideal candidates should have prior experience with BLE projects and a firm understanding of the Nordic SDK environment. They should also have experience working with Zephyr and battery management systems in IoT devices.

    $525 (Avg Bid)
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    As an appreciator of music production, I'm seeking a skilled individual who can successfully enable my ESP32 BLE MIDI device to convey MIDI messages to Ableton. The project's primary focus includes: - The capability for my ESP32 device to effectively transmit Note on/off MIDI messages to Ableton. - This should preferably be achievable via either Hairless MIDI or any other reliable options you may suggest. Ideal Experience & Skills: - Profound knowledge and prior experience with Ableton software and ESP32 MIDI Devices. - Understanding and proficiency in handling MIDI communications. - Bluetooth Low Energy (BLE) knowledge and experience would be highly beneficial. Please note, due to my own scheduling, I need this project to be completed as soon as possible. Therefore, th...

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    I'm seeking professional who has hands-on experience with Arduino Nano BLE 33. If you have a solid understanding and knowledge of Manchester coding and MIL STD 1553 Bus, transmitter and receiver communication, as well as DMA and ADC/Interrupts, then this project is for you. Having the microcontroller on hand is an advantage. While I have skipped the specifics on some functionalities, the ideal candidate should be comfortable with: - Data logging and storage - Wireless communication - Sensor integration.

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    For a project I've started, I need assistance from an experienced Python and tkinter developer who can take my half-finished application and enhance it. Knowledge in sound engineering will be beneficial. Your task will be to: - Incorporate the ringing of a bell pattern, specifically Plain Bob Doubles. This pattern has already been written, but not yet linked to the user interface. - I have the sounds connected to the buttons. I need the sounds to be played in the right sequence with the right time gaps, and only the bell the user chooses can be pressed by them for that running of the programme. - Include a feature that allows a user to choose which bell they control - Integrate the bell ringing pattern with specific buttons. - Provide comprehensive comments throughout the code to ex...

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    i needs some support on this Lora Kit: Documentation: Upload (Payload) is working correctly. but donwlink is not working. Error Massage "-1"

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    I'm looking for an expert in firmware engineering, specifically with experience working with microcontrollers. The ideal candidate will have a strong background in C++ and will be tasked with improving the performance of the existing firmware. Key tasks include: - Review the current firmware - Identify areas where performance can be improved - Implement changes without altering the firmware's ability to function with other devices Ideally, you should have: - Extensive experience with firmware optimization - Proficient in C++ - A complete understanding of microcontrollers

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    I am seeking a skilled app developer who can help me create a phone application that will be able to remotely control a Raspberry Pi device. This includes the ability to flash an LED from anywhere, and the app will need to interface with Google Cloud. Key Responsibilities: - Design and develop a phone application - Implementation of user interface - Deployment to Google Cloud for connection - Ability to flash an LED on Raspberry Pi remotely.

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    I am seeking an expert who can design and assemble a single speaker for an outdoor sculpture. The idea would be that the speaker would play a selection of clips of a local classical music ensemble when a person walked near the sculpture. In the best case, there would be an easy way to change/update the clips the speaker played (like Bluetooth) but if that's cost prohibitive, I understand. Key Requirements: - The speaker should incorporate an infrared (or other type is fine) motion activation system. Prior experience with such technology would be advantageous. - Apart from motion activation, the speaker should be Bluetooth compatible and possess water resistance feature, making it adaptable to outdoor conditions. - As this speaker is intended for use in an outdoor sculpture installa...

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    Hi guys I need a simple Arduino to able to do a launch control for four cyl motorbikes, trigger per button The rpm sensor is hall. Coils and injectors run 12v Need to able to set the gain (cut times) and amount of retard of the ignition, this is an idea if you have a optimal way let me know.

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    I'm in need of a seasoned Python developer who can help me leverage the power of audio through implementing specific functionalities in a desktop-based application. Key Features Required: - Speech recognition - Voice synthesis - Audio processing These features are intended to foster advanced interaction with the application, through a high-quality audio interface. Must-Have Expertise: - Knowledge of Python libraries such as Pydub, gTTS, SpeechRecognition, and AudioRecorder. Experience with AudioTranscriber and pyaudiowpatch is highly beneficial. - Familiarity with desktop-based program development - Previous work with audio-related projects would make you a standout candidate. Excited to collaborate with a tech-savvy Python developer who can bring my audio/mic vision to life o...

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    I'm in need of an experienced professional with vast knowledge of both Arduino and Radio-Frequency Identification (RFID). Key Duties: - Creating an advanced code for my Arduino Uno to function effectively. - Ensuring accurate collection of data from the RFID sensors. - Navigating communication with other devices smoothly. - Programing the RFID antenna for reading multiple tags with each performing specific functions. Ideal Skills and Experience: - Extensive experience with Arduino Uno. - Solid understanding of how RFID systems work. - Proven ability to develop complex Arduino codes. - Background in sensor data collection and device communication. Please, apply if you possess these skills and are ready for an exciting challenge!

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    I'm looking for an experienced IOT developer who specializes in Arduino. The ideal candidate should be able to work on a project involving device control and automation, and sensor data collection. Price can be discussed in private chat season. Key details: - The IoT device will be interacting with various sensor types - Temperature, Humidity, Motion, Vibration, RPM, Location, and Speed. - You will be responsible for setting up the system for successful sensor data collection and device automation. -Hardware-level understanding. The perfect freelancer for this project will have a deep understanding of Arduino and its capabilities, with previous experience in automation and sensor data collection seen as a major plus. Experience with the specific sensors listed is desirable, but not...

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    I require an electronic engineer to design a programmable microcontroller-based PCB card. The card must serve the purpose of monitoring domestic power consumption, and so should include features to assist with this. Key Features: - The microcontroller must be programmable with tinyGo - Inclusion of GPRS for internet connectivity (only one provider available) - Incorporation of a single phase and tri-phase relay (50v - 400v) - 4inch max ePaper for screen display - Four functional buttons - Battery-operated - Hermetic Case design The desired size of the PCB card is small, between 2 and 5 square inches. All materials used should not exceed a total cost of $30. Ideal skills and experience: - Proficiency in electronic design, specifically with PCB - Familiarity with tinyGo programming - Und...

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    I am interested in developing a software thermostat for my heat pump. It should have capabilities like: - Controlling Temperature: Main feature I require is the ability of the thermostat to manage and control a temperature range of 20°C - 65°C for the outlet of heat pump ( temperature modulation ) something like a smart room thermostat who read outdoor and indoor temperature and change outlet flow temperature for heat pump. - Data: Tuya and modbus tcpip - Remote Control: The thermostat should've remote control functionality to make adjustments from anywhere. - Platform Compatibility: The software should be compatible with Python ,Home Assistant and Raspberry Pi for easy integration into my existing system. Ideal candidates will have expertise in data monitoring, softw...

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    Seeking a passionate firmware developer with strength in C++ programming language. The key focus of this project is to create firmware for an embedded system and to handle data transfer between components effectively. Core Responsibilities: - Design and implement firmware architecture in C++ - Ensure smooth data transfer between components - Test and debug the firmware to ensure reliability and efficiency Ideal Skills and Experience: - Strong experience with C++ and embedded systems - Proven experience in firmware development - Detail-oriented with meticulous debugging skills - Good understanding of data transfer protocols would be beneficial. I want to use this ADC with the US9111 pressure sensor. I want to measure the pressure at 15 PSI range. And, initial condition that should be z...

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    Title: Wireless Digital I/O Two-Way Controller with Battery Monitoring for Agricultural Fields Description: Our project endeavors to create an advanced wireless digital I/O two-way controller customized for agricultural fields covering an extensive area of 200x200 meters. The system architecture consists of a central main node and multiple field nodes strategically dispersed across the field, ensuring seamless control, monitoring, and battery management functionalities. Key Features: • Main Node Integration with Raspberry Pi: • The central main node is seamlessly integrated with a Raspberry Pi 4, featuring a touchscreen interface. We have developed an intuitive GUI to simplify configuration and operation processes. • Field Node Configuration: Each field node, spaced at inte...

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    I'm looking to create a minimalist style Android application that will display short-answer questions and their responses from an Arduino board. Here's what I'm seeking in the ideal expert: - Strong background in Android development. - Prior experience with Arduino or similar microcontrollers. - Proficiency in creating minimalist user interfaces. - Understanding of how to integrate Arduino microcontrollers with Android applications. The application will need to accurately present the questions generated by the Arduino board and capture corresponding responses. Your key responsibilities will involve: - Developing a minimalist interface for the application. - Ensuring the seamless integration of Arduino with the application. - Implementing robust code for presenting short-a...

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    I am seeking a skilled Arduino engineers and developer to create a proof of concept (POC) prototype for an indoor environmental monitoring device. This project aims to integrate multiple sensors and IoT capabilities into a compact package that improves the way we understand and react to our indoor surroundings. This person must be in Australia to provide a demo of the working POC. **Features Required:** - LED indicators for various statuses - Moisture content sensor to prevent mold growth - IoT capability for remote monitoring and control - Temperature and humidity sensors for climate control - User interface with display and input options - Connectivity via NBIoT or LoRaWAN **Purpose:** The main objective is to develop a device that can help in effectively monitoring and managing ind...

    min $33 / hr
    Sealed NDA
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    30 bids

    I have 1 ESP32 and 2 MPU6050 sensors. I am looking for someone to help me with the Arduino IDE so that when the 2 MPU6050 sensors are positioned “face-to-face” to each other, the blue light on the ESP32 turns on. (Please see the picture for more details) What I'm seeking: - Expertise in Arduino programming, specifically with experience in handling different types of sensors (temperature, humidity, etc.). - Proficiency in creating basic visual display outputs on screens connected to Arduino boards. - Capability to implement a straightforward and clean user interface for the display, presenting the sensor data numerically or in text form without overwhelming the user. - Knowledge in configuring and optimizing Arduino code for stable performance and accurate data reading and...

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    I'm in need of an experienced IoT electronics engineer who can design and build a Bluetooth LE enabled digital water level meter for measuring freshwater tank levels in real-time. Your main task scope is: 1. Use domestic grade float sensor switch for fresh water with upto 6 float switch sensors to detect water levels. 2. Use ESP32+BLE based hardware controller (with 2 AA/AAA batteries). Use power optimized and mesh networking modes 3. 2 LEDs to indicate error, power, scan and broadcast 4. Use simple BLE scanner mobile application to receive BLE GATT broadcast packets. 5. Frequency of broadcast depends on the rate of increase or decrease of water levels. Frequency will be from 1 min to 30 minutes 6. Demonstrate that packets are received real-time on mobile app Deliverables: 1. Wir...

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    Smart Residential Water Meter 2 days left
    VERIFIED

    I'm in need of an experienced IoT electronics engineer who can design and build a Bluetooth LE enabled digital water level meter for measuring freshwater tank levels in real-time. Your main task scope is: 1. Use domestic grade float sensor switch for fresh water with upto 6 float switch sensors to detect water levels. 2. Use ESP32+BLE based hardware controller (with 2 AA/AAA batteries). Use power optimized and mesh networking modes 3. 2 LEDs to indicate error, power, scan and broadcast 4. Use simple BLE scanner mobile application to receive BLE GATT broadcast packets. 5. Frequency of broadcast depends on the rate of increase or decrease of water levels. Frequency will be from 1 min to 30 minutes 6. Demonstrate that packets are received real-time on mobile app Deliverables: 1. Wirin...

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    I'm in search of a seasoned professional in firmware development, specifically with an advanced understanding of implementing CAN protocol. Out hardware is embedded with an ESP8266 controller with a CAN controller. Currently we want RP1210 to be implemented but we are also looking forward to implement J2534. If the job description matches your skillset and expertise please reach out. If required we can send over the hardware for testing and development

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    I'm seeking a highly capable engineer to help me create a Variable Frequency Drive (VFD) aimed at speed control for an induction motor. Project Specifics: - The VFD is intended for a motor with a power range up to 5 HP. - It should have over-voltage, under voltage and over current protection Qualifications: - Proven experience in designing VFDs. - Good understanding of over-voltage protection mechanisms. - Arduino knowledge is vital. Your role will involve designing, programming, and testing the VFD. Quality and safety are paramount in this project.

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    NFC-Enabled Inventory System 1 day left
    VERIFIED

    I am seeking an experienced Arduino developer to create a system capable of both reading from and save text data to file. This project aims to facilitate efficient product information retrieval, serving as a groundbreaking inventory management solution. **Key Requirements:** - Build an Arduino-based system that reads and store data onto file. - Implement a feature for easy product information retrieval. - Ensure the system is user-friendly and reliable for inventory management purposes. **Ideal Skills:** - Proficiency in Arduino programming - Experience with NFC technology - Knowledge in developing user interfaces - Understanding of inventory management systems The perfect candidate not only has technical expertise but also a creative mindset to contribute ideas for system optimization....

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    Home Automation PIC16 Coder -- 2 18 hours left
    VERIFIED

    I'm embarking on a home automation project and need a talented freelancer skilled in PIC assembly language, specifically for the PIC16 series. My project's primary goal is to develop robust and efficient assembly code that can seamlessly integrate into my existing home automation system. **What I Need:** - Expertise in writing assembly code from scratch tailored to PIC16. - Ability to understand my project's requirements and translate them into efficient code. - Knowledge in home automation applications would be beneficial. **Skills and Experience Required:** - Proven experience with PIC assembly programming, particularly with the PIC16 microcontroller series. - Strong understanding of how to write clean, efficient, and maintainable assembly code. - Previous projects or ex...

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    Hello! I need to make changes to the Arduino Mega so that it can be used for my specific applications. I need to use the electronic diagram of the Arduino Mega PCB board and implement the following changes: 1. Use an easy programming language, namely using the Arduino IDE to carry out this programming. In this way, use the Atmega2560 microcontroller. 2. The PCB must have between 10-12 24VDC digital inputs, 10-12 24VDC digital outputs, 3-4 analog inputs, 2 0-10V analog outputs, 1-2 4-20mA analog outputs. All with screw connectors (as in the image). 3. Interface for RS485 communication. 4. Interface for a touch screen display (where the RS485 communication data will be changed). This is all on the same PCB. In the end, I intend to have: - Electronic PCB design in DesignSpark file or c...

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    LED Control PIC Expert Needed 16 hours left
    VERIFIED

    I'm seeking an experienced freelancer who is adept in writing and debugging PIC assembly code, particularly for controlling a small set of LEDs (2-10). The essence of this project revolves around the efficient manipulation and management of these LEDs to achieve desired lighting effects and functional outputs. **Key Requirements:** - Proficiency in PIC assembly code writing with a deep understanding of its syntax and structure. - Prior experience with LED control projects, especially in designing and correcting code for smooth operation. - Ability to debug and optimize existing assembly code to ensure reliable performance of LED functions. - Knowledge of electrical circuits, as you might need to provide insights or suggestions on connecting the LEDs to the PIC microcontroller. **Ide...

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    I'm seeking a highly skilled firmware engineer with deep expertise in designing, developing, and optimizing firmware for IoT devices, specifically focusing on low power consumption. Our current project involves creating a firmware for an Arduino Nano BLE 33 that leverages its Low Power Comparator (LPCOMP) to wake up the CPU from sleep mode efficiently. This capability is critical for extending the battery life of our device while maintaining responsiveness. **Requirements & Skills:** - Proficient in developing firmware for Arduino Nano BLE 33. - Deep understanding of LPCOMP and its implementation for CPU wakeup. - Experience with embedded systems, particularly in IoT devices and consumer electronics. - Expertise in sleep mode functionality and creating energy-efficient firmware. ...

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    I'm currently having issues with the OTA feature on my ESP32 Development Board. Particularly, I'm unable to update firmware remotely, the OTA process is not reliable and the encrypted firmware updates are failing. - **ESP32 Background Information:** I'm using an ESP32 Development board for this project. The application running on this hardware was developed using Arduino. - **Necessary Skills Most Needed:** A freelancer with advanced knowledge of ESP32 and an understanding of the OTA process including familiarity with encrypted firmware updates will be best suited to tackle this issue. Proficiency in Arduino is also necessary. Given that this project deals with the inability to update firmware remotely, familiarity with networking would be an added advantage. C...

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    Créer une application mobile qui permet d'afficher des questions et leurs reponses sur la carte arduino

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    Tenía un ejemplo que funcionaba perfectamente para actualizar mi esp32 a través de OTA con el IDE arduino solo con llevar el archivo .BIN a mi hosting. He tenido que dar de baja esa web y al poner los archivos en otra web situada en el mismo hosting no me funciona.. no sé que puede ser, supongo que algo sencillo que no consigo ver. El funcionamiento es .. pongo un archivo TXT y el BIN en el servidor y cuando el esp32 comprueba que el txt es diferente descarga el bin y lo instala, por alguna razón ese código ha dejado de funcionar. Ayuda!!

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    Requiero controlar la intensidad de un láser a través de una señal pwm de Arduino Uno, ya tengo la función del pwm de arduino con una implementacion de grbl que permite generar el pwm , solo necesito implementar un circuito que recibiendo la señal pwm controle la intensidad del laser hay que tener en cuenta el voltaje del laser Este es el modulo láser a controlar

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